var showAll = $('#li-one').click(function(){

    var params = {

    };

    //console.log(params);
    $.ajax({
        url:"http://localhost:8080/gdou_gms/showAllAction.action",
        type:"post",
        dataType:"json",
        data:params,
        success:function(data){
            //alert(data);
            var json = eval(data);
            $("#tab  tr:not(:first)").empty();
            $.each(json, function (index, item) { 
                //循环获取数据 
                var s1 =  item.venueId; 
                var s2 =  item.venueName; 
                var s3 =  item.sport; 
                var s4 =  item.openTime;
                var s5 =  item.closeTime;
                var s6 =  item.courtNum;
                
                var strHtml='<tr><td class="venue_id">'+s1+'</td><td class="venue_name">'+s2+'</td><td class="sport">'+
                s3+'</td><td class="open_time">'+s4+'</td><td class="close_time">'+s5+'</td><td class="court_num">'+s6+
                '</td><td><button type="button" class="btn btn-info edit_btn" data-toggle="modal">编辑</button>'+
                '&nbsp;&nbsp;<button type="button" class="btn btn-danger delete_btn">删除</button></td></tr>';
                 
                
                $("#tab").append(strHtml);
            }); 
        },
        error:function(){
            alert("系统异常，请稍后重试！");
        }
    });   
});